Valve head



FIG. 1 is a perspective front view of a valve head;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof; the right side view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing in the drawings is for the purpose of illustrating portions of the valve head and forms no part of the claimed design. 

CLAIM The ornamental design for a valve head, as shown and described. 